#909E97

CSS

:root {
  --japanese-bonsai: #909e97;
  --japanese-bonsai-rgb: 144 158 151;
  --japanese-bonsai-oklch: oklch(0.686 0.019 164.4);
}

.element {
  color: var(--japanese-bonsai);
  background-color: hsl(150 7% 59%);
  border-color: oklch(0.686 0.019 164.4);
}

Tailwind CSS v4

@theme {
  --color-japanese-bonsai: #909e97;
  --color-japanese-bonsai-50: #f0f7f4;
  --color-japanese-bonsai-100: #e2eae6;
  --color-japanese-bonsai-200: #cdd7d2;
  --color-japanese-bonsai-300: #afbbb5;
  --color-japanese-bonsai-400: #95a29b;
  --color-japanese-bonsai-500: #7b8a83;
  --color-japanese-bonsai-600: #68756f;
  --color-japanese-bonsai-700: #535e59;
  --color-japanese-bonsai-800: #3d4440;
  --color-japanese-bonsai-900: #2a2f2c;
  --color-japanese-bonsai-950: #171c19;
}

SCSS

$japanese-bonsai: #909e97;
$japanese-bonsai-rgb: 144, 158, 151;
$japanese-bonsai-light: mix(#fff, $japanese-bonsai, 20%);
$japanese-bonsai-dark: mix(#000, $japanese-bonsai, 20%);

.element {
  color: $japanese-bonsai;
  box-shadow: 0 0 0 2px rgba($japanese-bonsai, 0.35);
}